/*-------------------------------------------------------------------------
 *
 * saslprep.h
 *      SASLprep normalization, for SCRAM authentication
 *
 * These definitions are used by both frontend and backend code.
 *
 * Copyright (c) 2017, PostgreSQL Global Development Group
 *
 * src/include/common/saslprep.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef SASLPREP_H
#define SASLPREP_H

/*
 * Return codes for pg_saslprep() function.
 */
typedef enum
{
    SASLPREP_SUCCESS = 0,
    SASLPREP_OOM = -1,            /* out of memory (only in frontend) */
    SASLPREP_INVALID_UTF8 = -2, /* input is not a valid UTF-8 string */
    SASLPREP_PROHIBITED = -3    /* output would contain prohibited characters */
} pg_saslprep_rc;

extern pg_saslprep_rc pg_saslprep(const char *input, char **output);

#endif                            /* SASLPREP_H */
